1005104002143 has 4 divisors (see below), whose sum is σ = 1340138669528. Its totient is φ = 670069334760.

The previous prime is 1005104002117. The next prime is 1005104002151. The reversal of 1005104002143 is 3412004015001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1005104002143 - 2⁹ = 1005104001631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005104002153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167517333688 + ... + 167517333693.

It is an arithmetic number, because the mean of its divisors is an integer number (335034667382).

Almost surely, 2^{1005104002143} is an apocalyptic number.

1005104002143 is a deficient number, since it is larger than the sum of its proper divisors (335034667385).

1005104002143 is an equidigital number, since it uses as much as digits as its factorization.

1005104002143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335034667384.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1005104002143 its reverse (3412004015001), we get a palindrome (4417108017144).

The spelling of 1005104002143 in words is "one trillion, five billion, one hundred four million, two thousand, one hundred forty-three".